Tic
September 24th 2006 03:31
Tic :
A tic is a spasmodic movement or twitching that is generally brief, repetitive, purposeless, semivoluntary, or involuntary. This muscle contraction is most commonly seen in the face, shoulders, or arms.
Causes :
Tics are caused by involuntary muscle contractions. With the exception of the tics that develop as a result of nerve or brain damage and other specific conditions, however, the physiologic basis of most tics is largely unknown. They often accompany emotional upset or psychological problems. Tics in children may be a sign of Gilles de la Tourette's syndrome, a disorder marked by multiple tics and compulsive use of profane language.
Symptoms :
A typical "nervous tic" is a twitching of the corner of the eye or the mouth, grimacing, blinking, or making repetitive motions involving the hands, arms, or shoulders.
Tics in children often first occur between the ages of five and ten years and may gradually disappear as the child grows older; however, the tics can persist into adulthood. When nervous tics first arise, they can usually be voluntarily controlled, but persistent tics often become automatic after a period of time.
Diagnosis and Treatment :
Certain types of tics are, at the beginning, hard to distinguish from many neurologically based illnesses.
For mild childhood or adult tics, tranquilizers or muscle relaxants may be prescribed. Gilles de la Tourette's syndrome responds to medication. Psychotherapy may help to relieve the emotional stress that precipitates attacks or intensifies the symptoms of some tics.
A tic is a spasmodic movement or twitching that is generally brief, repetitive, purposeless, semivoluntary, or involuntary. This muscle contraction is most commonly seen in the face, shoulders, or arms.
Causes :
Tics are caused by involuntary muscle contractions. With the exception of the tics that develop as a result of nerve or brain damage and other specific conditions, however, the physiologic basis of most tics is largely unknown. They often accompany emotional upset or psychological problems. Tics in children may be a sign of Gilles de la Tourette's syndrome, a disorder marked by multiple tics and compulsive use of profane language.
Symptoms :
A typical "nervous tic" is a twitching of the corner of the eye or the mouth, grimacing, blinking, or making repetitive motions involving the hands, arms, or shoulders.
Tics in children often first occur between the ages of five and ten years and may gradually disappear as the child grows older; however, the tics can persist into adulthood. When nervous tics first arise, they can usually be voluntarily controlled, but persistent tics often become automatic after a period of time.
Diagnosis and Treatment :
Certain types of tics are, at the beginning, hard to distinguish from many neurologically based illnesses.
For mild childhood or adult tics, tranquilizers or muscle relaxants may be prescribed. Gilles de la Tourette's syndrome responds to medication. Psychotherapy may help to relieve the emotional stress that precipitates attacks or intensifies the symptoms of some tics.
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